MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains a high number of embedded links, many pointing to Shopify domains, but one critical link redirects to `https://ttraff.com/pify?keyword=larson+algebra+2+workbook+pdf`. This indicates a lure to download a PDF, likely malicious, by disguising it as a workbook. The ML classifier strongly supports the malicious nature of this PDF. No scripts were extracted, but the link farm and redirector are strong indicators of a phishing or malware delivery attempt.
Machine Learning
- Nyx PDF Classifier malicious score 1.0000
Heuristics 4
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PDF links to known malicious redirector infrastructure critical PDF_MALICIOUS_REDIRECTOR_LINKPDF contains a clickable URI to redirector infrastructure used by a known malicious PDF SEO/adware delivery campaign. These documents typically rely on user interaction and redirect chains rather than a PDF parser vulnerability.
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Small PDF contains mass external PDF link farm critical PDF_SEO_LINK_FARMSmall PDF contains many clickable external PDF links, mostly clustered on one host. This matches generated SEO/link-farm PDF carriers used to route users into malicious or unwanted-software delivery chains, rather than a normal document citation pattern.
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Object number defined twice with different bodies info PDF_DUPLICATE_OBJ_BODY_INCREMENTALThe same indirect object (N G) is defined more than once with different body bytes. First-wins and last-wins readers will resolve different content, which is a parser-confusion shape used by targeted PDFs. Body-only differences are common in benign incremental updates, so severity is raised only when the duplicate carries active content.
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Embedded URL info EMBEDDED_URLOne or more URLs were extracted from the document. The URL itself is not a detection — see the per-URL labels for which channel (macro, JS, link annotation, document body, ...) reached each URL.URL https://ttraff.com/pify?keyword=larson+algebra+2+workbook+pdf
- http://bexaxutu.virginiamatzek.com/uploads/1/3/2/6/132680813/db9bee429845c.pdf
- http://files.konjstudio.net/uploads/1/3/1/1/131163867/4041e031091ae.pdf
- http://files.joanosato.org/uploads/1/3/1/1/131164574/6570620.pdf
- https://cdn.shopify.com/s/files/1/0433/5481/6665/files/witcher_3_reshade.pdf
- https://cdn.shopify.com/s/files/1/0427/5086/9671/files/liniwetusexoro.pdf
- https://cdn.shopify.com/s/files/1/0430/5505/5002/files/7536084483.pdf
- https://cdn.shopify.com/s/files/1/0431/9703/8756/files/55401987868.pdf
- https://cdn.shopify.com/s/files/1/0432/1122/7300/files/20530052239.pdf
- https://cdn.shopify.com/s/files/1/0433/3142/0314/files/petem.pdf
- https://cdn.shopify.com/s/files/1/0437/9567/7346/files/shielding_and_deshielding_effect_in_nmr_spectroscopy.pdf
- https://cdn.shopify.com/s/files/1/0440/2338/2166/files/96679301462.pdf
- https://cdn.shopify.com/s/files/1/0428/7060/3932/files/pokemon_emrald_walk_through.pdf
- https://cdn.shopify.com/s/files/1/0433/3607/3366/files/54660018022.pdf
- https://cdn.shopify.com/s/files/1/0437/2535/7206/files/jofujuropufizosedupetidi.pdf
- https://cdn.shopify.com/s/files/1/0433/1231/6584/files/kikonomeni.pdf
- http://www.w3.org/1999/02/22-rdf-syntax-ns#
- http://purl.org/dc/elements/1.1/
- http://ns.adobe.com/pdf/1.3/
- http://ns.adobe.com/xap/1.0/
- http://ns.adobe.com/xap/1.0/mm/
- http://ns.adobe.com/xap/1.0/rights/
Extracted artifacts 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off000048d8.bin32e631f6da31edafb9d924221c8f97be171d10669f3eb63bbcd06a9a4aa5bf3c |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x48D8 | 5580 bytes |
font_01_sfnt_off00005bf7.bin0c68cb5ae9d49198bbab9b2c81e1d062f08b83cd607d5d6798c1b4164f17fa95 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5BF7 | 9836 bytes |
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